(19)

(11)

EP 0 704 135 A1

(12)

(43) Date of publication: 03.04.1996 Bulletin 1996/14 (21) Application number: 94919359.0 (22) Date of filing: 06.06.1994

(51) International Patent Classification (IPC):  H04N 7/ 14( . ) (86) International application number: PCT/US1994/006302 (87) International publication number: WO 1994/030016 (22.12.1994 Gazette 1994/28)

(84) Designated Contracting States: DE FR GB NL (30) Priority: 16.06.1993 US 19930078536 (71) Applicant: BELL COMMUNICATIONS RESEARCH, INC. Livingston, New Jersey 07039-2729 (US)	(72) Inventors: BRAUN, David, Alan Denville, NJ 07834 (US) NELSON, Terence, John New Providence, NJ 07974 (US) SMOOT, Lanny, Starkes Morris Township, NJ 07960 (US) (74) Representative: Dubois-Chabert, Guy, et al  Société de Protection des Inventions 25, rue de Ponthieu F-75008 Paris F-75008 Paris (FR)